...With thesefew preliminary remarks we may now take up in turn these different groups,beginning with the lowest, or the Polyps... 
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...The class of Polyps is divided into three orders,—the Halcyonoids, theMadreporians, and the Actinoids...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...Of the lowest among these orders, theActinoid Polyps, our Actinia or sea-anemone is a good example...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...The third and highest order of Polyps is that of the Halcyonoids...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...Here thepartitions are reduced to eight; the tentacles, according to the invariablerule, agree in number with the chambers, but have a far more highlycomplicated structure than in the lower Polyps...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...But we must not leaveunnoticed one very remarkable Hydroid Acaleph (), not found in ourwaters, and resembling the Polyps so much, that it has long been associatedwith them...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...The Millepore is a coral, and was therefore the more easilyconfounded with the Polyps, so large a proportion of which build coralstocks; but a more minute investigation of its structure (Figs...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...We find also among Star-fishes the same tendency to multiplication of partsso common among the Polyps and Acalephs...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...One of the polyps is carefully removed by the dipping-tube,a small glass tube, open at both ends...
Henry J. Slack 「Marvels of Pond-life」
...Although the polyps are remarkable for the simplicityof their organization, they do not the lessexhibit the wonderful nature of animal life...
Henry J. Slack 「Marvels of Pond-life」
...However this may be, the polyps, andsimilarly endowed creatures, have the power of dartingout their poison threads with considerable force, andMr...
Henry J. Slack 「Marvels of Pond-life」
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